[PROBLEM] Xbian + TvHeadend Server and Add On Xbmc

[enrydgl]

Now, I have update Xbian new version on RaspBerry Mod B :

1 - Xbian Version : 1.0a5
XMBC version : 12.0 Git:20130127-fb595f2(Compiled Jan 30 2013)
2 - Overclock set on Xbian
3 - Power = USB Hub 4 port. Microusb connected from HUB to Raspberry power and USB.
4 - DVB-T HD connected USB Hub. Avermedia Volar Green A835
5 - Network = LAN 10/100
6 - SD - Speed normal - 4 Gb - SanDisk
- MPEG Codec OK in new option Xbian XBMC Configuration.

Problem :
TvHeaded version : HTS Tvheadend 3.3.465~g79c134f
USB DVB-T HD decoder : Avermedia Volar Green A835. It's working fine in raspberry. Instruction DMESG return this on usb device :
http://pastebin.com/VrVzqUzA

TvHeaded Log (5 channels test):
2 channels (Rai1 and Rai2) Work fine but with audio/video no sync, 1 channel (Canale 5) don't work and 2 channels (Rai5 and Rai3) start without video, after 5 seconds of sound.. sound stop! All channel have Mpeg2 codec.
LOG: http://pastebin.com/msn5Q5hp

XBMC Log under directory : /home/xbian/.xbmc/temp/xbmc.log report debugger active :
http://pastebin.com/p4UZktV0

Help me please!!!